Hi Bob, Some food for thought, Rather than updating chart every 4 or 8 seconds, what about setting an hysteresis value and only update chart with the change if outside those values? You can then have more details on the x axis of the chart. Rather then seconds, the date and time perhaps? Sill sample...

Hello. That is not how the Buzzer component is intended to work. The Buzzer component is a single fixed frequency component only sets an output to high or low, depending the buzzer is on or off. With actual hardware to make it buzz, a fixed DC supply e.g. 9v is used to enable buzzer. For a buzzer of...

RGV250 wrote: ↑

Sat Jan 17, 2026 1:41 pm

I am now in a quandry whether to try to migrate the ESP code to the Pi or the Pi code to the ESP.

Personally I would favour ESP32 over RPI.
Pi is big and overkill and does not have analogue functions.

Hi Iain.
Historic chart is within PC developer, which the environmental monitor demo uses.

Hi Bob.
I remember when I last reinstalled windows, I also had to install CP210X drivers, depending on thee ESP32 device used.

Hi Bob. I have recently developed a web app that has a line chart and updates the data every 10 seconds. The web developer can log. Data Logging2.png I used a TTGO ESP32 which connects to my WiFi. Connected to the ESP32 is a DS18B20 used for sending the temperature data. It not only displays the tem...

Have you updated your full component database then reloaded your project?
I'm asking as your project also compiles OK for me with FC10

In addition to Bens post.
within the the instructions, there are points when to need to change the default un-ticked Add path to environmental to ticked.
Did you do that for ARM GCC Compiler, Cmake and Python?

I'm asking as the instructions don't show installing to downloads, but you have.

Hi Bill. Within Components ribbon, make sure Show Components on the far left is set for 2D & 3D. Then click on the magnifier next to Show Components and enter map. The Map Function can also be found within Components > Math > Calculation. I don't ever want to forget Halle Berry in a catsuit Oooh...

Hi Dirk.
I don't work for Matrix anymore.
it will be Ben or Steve dealing with with any issues.
Also VC members including myself will help out when we can in our own spare time.